#!/usr/bin/perl

chdir("apps/webserver/");

open(OUTPUT, "> httpd-fsdata.c");

chdir("httpd-fs");

opendir(DIR, ".");
@files =  grep { !/^\./ && !/(CVS|~)/ } readdir(DIR);
closedir(DIR);

foreach $file (@files) {  
	 
	if(-d $file && $file !~ /^\./) {
	    print "Processing directory $file\n";
    	opendir(DIR, $file);
    	@newfiles =  grep { !/^\./ && !/(CVS|~)/ } readdir(DIR);
    	closedir(DIR);
    	printf "Adding files @newfiles\n";
    	@files = (@files, map { $_ = "$file/$_" } @newfiles);
    	next;
	}
}

foreach $file (@files) {
	if(-f $file) {
	
    	print "Adding file $file\n";
    	
    	open(FILE, $file) || die "Could not open file $file\n";
    
    	$file =~ s-^-/-;
    	$fvar = $file;
    	$fvar =~ s-/-_-g;
    	$fvar =~ s-\.-_-g;
    	# for AVR, add PROGMEM here
    	print(OUTPUT "static const char data".$fvar."[] = {\n");
    	print(OUTPUT "\t/* $file */\n\t");
    	for($j = 0; $j < length($file); $j++) {
			printf(OUTPUT "%#02x, ", unpack("C", substr($file, $j, 1)));
    	}
    	printf(OUTPUT "0,\n");
    	
    	$i = 0;        
    	while(read(FILE, $data, 1)) {
			if($i == 0) {
        		print(OUTPUT "\t");
			}
			printf(OUTPUT "%#02x, ", unpack("C", $data));
			$i++;
			if($i == 10) {
        		print(OUTPUT "\n");
        		$i = 0;
    		}
    	}
    	print(OUTPUT "0};\n\n");
    	close(FILE);
    	push(@fvars, $fvar);
    	push(@pfiles, $file);
	}
}

for($i = 0; $i < @fvars; $i++) {
		$file = $pfiles[$i];
		$fvar = $fvars[$i];

		if($i == 0) {
			$prevfile = "NULL";
		} else {
			$prevfile = "file" . $fvars[$i - 1];
		}
		print(OUTPUT "const struct httpd_fsdata_file file".$fvar."[] = {{$prevfile, data$fvar, ");
		print(OUTPUT "data$fvar + ". (length($file) + 1) .", ");
		print(OUTPUT "sizeof(data$fvar) - ". (length($file) + 1) ."}};\n\n");
}

print(OUTPUT "#define HTTPD_FS_ROOT file$fvars[$i - 1]\n\n");
print(OUTPUT "#define HTTPD_FS_NUMFILES $i\n");
